Loudon, J. C. (1950). Encyclopaedia of Gardening: Comprising the theory and practice of horticulture, floriculture, arboriculture, and landscape-Gardening.. Longman.
Cita Chicago (17th ed.)Loudon, J. C. Encyclopaedia of Gardening: Comprising the Theory and Practice of Horticulture, Floriculture, Arboriculture, and Landscape-Gardening.. London: Longman, 1950.
Cita MLA (9th ed.)Loudon, J. C. Encyclopaedia of Gardening: Comprising the Theory and Practice of Horticulture, Floriculture, Arboriculture, and Landscape-Gardening.. Longman, 1950.
Atenció: Aquestes cites poden no estar 100% correctes.